linux-kernel - [PATCH 5.12 415/677] scsi: ufs: ufshcd-pltfrm: Fix deferred probing

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Message-Id: <20210512144851.129195520@linuxfoundation.org>
Date:   Wed, 12 May 2021 16:47:41 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Sergey Shtylyov <s.shtylyov@...russia.ru>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.12 415/677] scsi: ufs: ufshcd-pltfrm: Fix deferred probing

From: Sergey Shtylyov <s.shtylyov@...russia.ru>

[ Upstream commit 339c9b63cc7ce779ce45c675bf709cb58b807fc3 ]

The driver overrides the error codes returned by platform_get_irq() to
-ENODEV, so if it returns -EPROBE_DEFER, the driver would fail the probe
permanently instead of the deferred probing.  Propagate the error code
upstream as it should have been done from the start...

Link: https://lore.kernel.org/r/420364ca-614a-45e3-4e35-0e0653c7bc53@omprussia.ru
Fixes: 2953f850c3b8 ("[SCSI] ufs: use devres functions for ufshcd")
Signed-off-by: Sergey Shtylyov <s.shtylyov@...russia.ru>
Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/scsi/ufs/ufshcd-pltfrm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index 1a69949a4ea1..b56d9b4e5f03 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -377,7 +377,7 @@ int ufshcd_pltfrm_init(struct platform_device *pdev,
 
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		err = -ENODEV;
+		err = irq;
 		goto out;
 	}
 
-- 
2.30.2